Yiqin Zhou, Wei Li, G. Tong, Zongneng Qi, R. Hayakawa
{"title":"聚合物驻极体亚tg储存的TSC研究","authors":"Yiqin Zhou, Wei Li, G. Tong, Zongneng Qi, R. Hayakawa","doi":"10.1109/ISE.1985.7341493","DOIUrl":null,"url":null,"abstract":"TSC spectra of amorphous and semicrystalline PET annealed at 65 °C and 90 °C for the various duration times have been measured respectively. The drastic effect of sub-Tg on the g amorphous region is observed. The max current of the thermo-relaxation of frozen-in dipoles decreases with increasing of storage time. DSC curves, crystallinity and density of the amorphous specimens were measured. The transition of the amorphous PET from the ductile to brittle fracture appeared at the same storage time as in TSC measurement. It was illustrated that TSC is a sensitive and powerful method for investigating the sub-Tg storage.","PeriodicalId":6451,"journal":{"name":"1985 5th International Symposium on Electrets (ISE 5)","volume":"25 1","pages":"277-282"},"PeriodicalIF":0.0000,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"TSC studies on sub-Tg storage of polymer electret\",\"authors\":\"Yiqin Zhou, Wei Li, G. Tong, Zongneng Qi, R. Hayakawa\",\"doi\":\"10.1109/ISE.1985.7341493\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"TSC spectra of amorphous and semicrystalline PET annealed at 65 °C and 90 °C for the various duration times have been measured respectively. The drastic effect of sub-Tg on the g amorphous region is observed. The max current of the thermo-relaxation of frozen-in dipoles decreases with increasing of storage time. DSC curves, crystallinity and density of the amorphous specimens were measured. The transition of the amorphous PET from the ductile to brittle fracture appeared at the same storage time as in TSC measurement. It was illustrated that TSC is a sensitive and powerful method for investigating the sub-Tg storage.\",\"PeriodicalId\":6451,\"journal\":{\"name\":\"1985 5th International Symposium on Electrets (ISE 5)\",\"volume\":\"25 1\",\"pages\":\"277-282\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1985 5th International Symposium on Electrets (ISE 5)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISE.1985.7341493\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1985 5th International Symposium on Electrets (ISE 5)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISE.1985.7341493","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
TSC spectra of amorphous and semicrystalline PET annealed at 65 °C and 90 °C for the various duration times have been measured respectively. The drastic effect of sub-Tg on the g amorphous region is observed. The max current of the thermo-relaxation of frozen-in dipoles decreases with increasing of storage time. DSC curves, crystallinity and density of the amorphous specimens were measured. The transition of the amorphous PET from the ductile to brittle fracture appeared at the same storage time as in TSC measurement. It was illustrated that TSC is a sensitive and powerful method for investigating the sub-Tg storage.
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